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List Subscriber’s Manual
LISTSERV®, version 15.5
Information in this document is subject to change without notice. Companies, names, and data used in examples herein are fictitious unless otherwise noted. L-Soft does not endorse or approve the use of any of the product names or trademarks appearing in this document.
Permission is granted to copy this document, at no charge and in its entirety, if the copies are not used for commercial advantage, the source is cited, and the present copyright notice is included in all copies. Recipients of such copies are equally bound to abide by the present conditions. Prior written permission is required for any commercial use of this document, in whole or in part, and for any partial reproduction of the contents of this document exceeding 50 lines of up to 80 characters, or equivalent. The title page, table of contents, and index, if any, are not considered to be part of the document for the purposes of this copyright notice, and can be freely removed if present.
Copyright © 2007 L-Soft international, Inc.
All Rights Reserved Worldwide.
LISTSERV is a registered trademark licensed to L-Soft international, Inc.
ListPlex, CataList, and EASE are service marks of L-Soft international, Inc.
UNIX is a registered trademark of X/Open Company Limited.
AIX and IBM are registered trademarks of International Business Machines Corporation.
Alpha AXP, Ultrix, OpenVMS and VMS are trademarks of Digital Equipment Corporation.
OSF/1 is a registered trademark of Open Software Foundation, Inc.
Microsoft is a registered trademark and Windows, Windows NT and Windows 95 are trademarks of Microsoft Corporation.
HP is a registered trademark of Hewlett-Packard Company.
Sun is a registered trademark of Sun Microsystems, Inc.
IRIX is a trademark of Silicon Graphics, Inc.
PMDF is a registered trademark of Innosoft International.
Pentium and Pentium Pro are registered trademarks of Intel Corporation.
All other trademarks, both marked and not marked, are the property of their respective owners.
This product includes software developed by the Apache Software Foundation (
Some portions licensed from IBM are available at
This product includes code licensed from RSA Security, Inc.
Manuals for LISTSERV are available in PDF format from They are also available on the World Wide Web at the following URL:
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Last Updated: January 13, 2009